1. Quality control:

100% of the products will be tested . Firstly we will test chip parameters . After the chip encapsulation . we test 100% of the welding diode again.  Each chip and welding diode should pass all these QC procedures and we have all detailed records for  every products.  Once everything is ok, We will send the goods.

2. How can I get some samples?

The price of sending  samples is the same. We quate FOB price. You need to bear the freight after it boarded  the ship freight.

3. Applications of welding diodes:

Locomotives, industrial transmission, motor soft start, high voltage dc transmission, high voltage reactive power compensation, the motor excitation, induction heating...